diff --git a/src/libs/3rdparty/cplusplus/CMakeLists.txt b/src/libs/3rdparty/cplusplus/CMakeLists.txt
index 41c653aa48e..e7b9fedd0bc 100644
--- a/src/libs/3rdparty/cplusplus/CMakeLists.txt
+++ b/src/libs/3rdparty/cplusplus/CMakeLists.txt
@@ -56,4 +56,8 @@ if(TARGET 3rd_cplusplus)
     target_precompile_headers(3rd_cplusplus PRIVATE
       "${QtCreator_SOURCE_DIR}/src/shared/qtcreator_gui_pch.h")
   endif()
+
+  if(UNIX)
+    target_compile_options(3rd_cplusplus PRIVATE "-Wno-unused-variable")
+  endif()
 endif()